Top Tech Jobs & Startup Jobs in Montreal

Own end-to-end quality for Xsolla’s Web3 smart wallet on an Ethereum-compatible ZK rollup. Test account abstraction, signing, smart contracts, token standards, transaction lifecycle, counterfactual deployment, indexer synchronization, wallet security, and partner integrations. Build Playwright and TypeScript automation, use chain forking and transaction tracing, validate testnet-to-mainnet releases, configure AI coding tools, and mentor QA engineers.

Own the architecture and technical strategy for Xsolla’s smart wallet and account abstraction platform. Design ERC-4337 user operations, EIP-7702 delegation, session keys, signing, paymasters, gas abstraction, custody, recovery, and dApp provider security. Lead cross-team technical decisions, threat modeling, production escalations, engineering standards, documentation, and mentorship. Build and operate reliable wallet infrastructure using Go, TypeScript, Solidity, distributed systems, Kubernetes, PostgreSQL, and event streaming while protecting user funds and supporting compliance needs.

Own product discovery, roadmap coordination, requirements writing, delivery management, metrics, and cross-team communication for Xsolla Partner Network, a two-sided marketplace connecting game publishers and content creators. Conduct customer research, prioritize publisher and creator needs, write PRDs, manage Jira backlogs, partner with design and engineering, and track product performance. Requires product ownership experience, gaming and influencer marketing knowledge, and familiarity with creator platforms.

Lead a distributed team of data scientists and engineers, focusing on data infrastructure and ML systems while collaborating with product and marketing teams.

Develop high-performance frontend applications, collaborate with design and backend teams, ensure quality coding practices, and improve platform scalability and performance.

Own IAM platform architecture and strategy, design OAuth2/OIDC flows and token lifecycle, drive cross-team technical decisions, de-risk and resolve production IAM issues, set engineering standards, mentor, and align with product and security stakeholders.

Define, build, and scale the Xsolla Money Account, focusing on embedded financial services while collaborating with cross-functional teams.

Design and maintain backend services and infrastructures focusing on Node.js, TypeScript, and Kubernetes, ensuring reliability and scaling.

As a Video Streaming Engineer, you will design and optimize streaming pipelines, implement codecs, and maintain video delivery systems using various technologies.

Lead the mobile/Windows development team, mentor members, oversee development lifecycle, implement best practices, and ensure high-quality application delivery.